diff --git a/src/PromiseInterface.php b/src/PromiseInterface.php
index 5a7e64d..9e6115e 100644
--- a/src/PromiseInterface.php
+++ b/src/PromiseInterface.php
@@ -8,6 +8,7 @@
  * @note This is a stub interface for better IDE support.
  *
  * @yield T
+ * @psalm-yield T
  * @template-covariant T
  */
 interface PromiseInterface